Knife



FIG. 1 is a bottom plan view of a knife showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image,

FIG. 3 is a top plan view thereof,

FIG. 4 is a rear end view thereof,

FIG. 5 is a front end view thereof,

FIG. 6 is a front top perspective view thereof; and,

FIG. 7 is a rear top perspective view thereof. 

The ornamental design for a knife, as shown and described. 